STOP AND START SYSTEM > Engine Hood Courtesy Switch Circuit


DESCRIPTION

The engine hood courtesy switch is installed in the hood lock assembly. This switch turns off when the engine hood is opened and turns on when the engine hood is closed.
If the engine hood is opened while the engine is stopped due to Stop and Start system control, the engine will not be restarted due to Stop and Start system control (Click here).

WIRING DIAGRAM


A217711E01


INSPECTION PROCEDURE

1.READ VALUE USING INTELLIGENT TESTER (HOOD COURTESY SWITCH)
  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the tester on.

  1. Enter the following menus: Powertrain / Stop and Start / Data List / Hood Courtesy Switch.

  1. Read the value displayed on the tester when the engine hood is opened and closed.

    OK:
    ON or OFF is displayed depending on whether the engine hood is open or closed.



NG
Go to step 2
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)  

2.INSPECT HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH)


    B213834E02
  1. Disconnect the engine hood courtesy switch connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Switch Condition
    Specified Condition
    1 (CTYH) - 2 (GND)
    LOCK position
    Below 1 Ω
    UNLOCK position
    10 kΩ or higher

    Text in Illustration 
    *1
    Hood Lock Assembly
    *2
    Component without harness connected:
    (Hood Lock Assembly (Engine Hood Courtesy Switch))

  1. Reconnect the engine hood courtesy switch connector



NG
REPLACE HOOD LOCK ASSEMBLY (Click here)
OK


3.CHECK HARNESS AND CONNECTOR (ENGINE HOOD LOCK COURTESY SWITCH - BODY GROUND)
  1. Disconnect the engine hood courtesy switch connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    A41-2 (GND1) - Body ground
    Always
    Below 1 Ω

  1. Reconnect the engine hood courtesy switch connector.



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


4.CHECK HARNESS AND CONNECTOR (ENGINE STOP AND START ECU - ENGINE HOOD COURTESY SWITCH)
  1. Disconnect the engine hood courtesy switch connector and engine stop and start ECU connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    D79-9 (BNT1) - A41-1 (CTYH)
    Always
    Below 1 Ω
    D79-9 (BNT1) or A41-1 (CTYH) - Body ground
    Always
    10 kΩ or higher

  1. Reconnect the engine hood courtesy switch connector and engine stop and start ECU connector.



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)